LM_DELETEALL (1.2)
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#define INCL_WINLISTBOXES
LM_DELETEALL
mp1 = 0L; /* not used, must be zero */
mp2 = 0L; /* not used, must be zero */
An application sends an LM_DELETEALL message to delete all items in a
list-box control.
This message does not use any parameters.
Return Value
The return value is TRUE if the operation is successful or FALSE if an error
occurs.
See Also
LM_DELETEITEM
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